import { resourceUrlFromServerUrl, checkResourceAllowed } from '../../src/shared/auth-utils.js';

describe('auth-utils', () => {
    describe('resourceUrlFromServerUrl', () => {
        it('should remove fragments', () => {
            expect(resourceUrlFromServerUrl(new URL('https://example.com/path#fragment')).href).toBe('https://example.com/path');
            expect(resourceUrlFromServerUrl(new URL('https://example.com#fragment')).href).toBe('https://example.com/');
            expect(resourceUrlFromServerUrl(new URL('https://example.com/path?query=1#fragment')).href).toBe(
                'https://example.com/path?query=1'
            );
        });

        it('should return URL unchanged if no fragment', () => {
            expect(resourceUrlFromServerUrl(new URL('https://example.com')).href).toBe('https://example.com/');
            expect(resourceUrlFromServerUrl(new URL('https://example.com/path')).href).toBe('https://example.com/path');
            expect(resourceUrlFromServerUrl(new URL('https://example.com/path?query=1')).href).toBe('https://example.com/path?query=1');
        });

        it('should keep everything else unchanged', () => {
            // Case sensitivity preserved
            expect(resourceUrlFromServerUrl(new URL('https://EXAMPLE.COM/PATH')).href).toBe('https://example.com/PATH');
            // Ports preserved
            expect(resourceUrlFromServerUrl(new URL('https://example.com:443/path')).href).toBe('https://example.com/path');
            expect(resourceUrlFromServerUrl(new URL('https://example.com:8080/path')).href).toBe('https://example.com:8080/path');
            // Query parameters preserved
            expect(resourceUrlFromServerUrl(new URL('https://example.com?foo=bar&baz=qux')).href).toBe(
                'https://example.com/?foo=bar&baz=qux'
            );
            // Trailing slashes preserved
            expect(resourceUrlFromServerUrl(new URL('https://example.com/')).href).toBe('https://example.com/');
            expect(resourceUrlFromServerUrl(new URL('https://example.com/path/')).href).toBe('https://example.com/path/');
        });
    });

    describe('resourceMatches', () => {
        it('should match identical URLs', () => {
            expect(
                checkResourceAllowed({ requestedResource: 'https://example.com/path', configuredResource: 'https://example.com/path' })
            ).toBe(true);
            expect(checkResourceAllowed({ requestedResource: 'https://example.com/', configuredResource: 'https://example.com/' })).toBe(
                true
            );
        });

        it('should not match URLs with different paths', () => {
            expect(
                checkResourceAllowed({ requestedResource: 'https://example.com/path1', configuredResource: 'https://example.com/path2' })
            ).toBe(false);
            expect(
                checkResourceAllowed({ requestedResource: 'https://example.com/', configuredResource: 'https://example.com/path' })
            ).toBe(false);
        });

        it('should not match URLs with different domains', () => {
            expect(
                checkResourceAllowed({ requestedResource: 'https://example.com/path', configuredResource: 'https://example.org/path' })
            ).toBe(false);
        });

        it('should not match URLs with different ports', () => {
            expect(
                checkResourceAllowed({ requestedResource: 'https://example.com:8080/path', configuredResource: 'https://example.com/path' })
            ).toBe(false);
        });

        it('should not match URLs where one path is a sub-path of another', () => {
            expect(
                checkResourceAllowed({ requestedResource: 'https://example.com/mcpxxxx', configuredResource: 'https://example.com/mcp' })
            ).toBe(false);
            expect(
                checkResourceAllowed({
                    requestedResource: 'https://example.com/folder',
                    configuredResource: 'https://example.com/folder/subfolder'
                })
            ).toBe(false);
            expect(
                checkResourceAllowed({ requestedResource: 'https://example.com/api/v1', configuredResource: 'https://example.com/api' })
            ).toBe(true);
        });

        it('should handle trailing slashes vs no trailing slashes', () => {
            expect(
                checkResourceAllowed({ requestedResource: 'https://example.com/mcp/', configuredResource: 'https://example.com/mcp' })
            ).toBe(true);
            expect(
                checkResourceAllowed({ requestedResource: 'https://example.com/folder', configuredResource: 'https://example.com/folder/' })
            ).toBe(false);
        });
    });
});
